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Does the metal being attracted make a difference?
How would you find the force on the metal knowing the field strength there?
How would you even calculate the field strength of an electromagnet with a core? In my case, it is one of those junkyard electromagnets.
thanks
How would you find the force on the metal knowing the field strength there?
How would you even calculate the field strength of an electromagnet with a core? In my case, it is one of those junkyard electromagnets.
thanks